ucar.unidata.geoloc
Class ProjectionPointImpl

java.lang.Object
  java.awt.geom.Point2D
      java.awt.geom.Point2D.Double
          ucar.unidata.geoloc.ProjectionPointImpl

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, ProjectionPoint

public class ProjectionPointImpl
extends java.awt.geom.Point2D.Double
implements ProjectionPoint, java.io.Serializable

Our implementation of ProjectionPoint, that subclasses java.awt.geom.Point2D to add serialization.

Author:

John Caron

See Also:

ProjectionPoint, Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.awt.geom.Point2D

java.awt.geom.Point2D.Double, java.awt.geom.Point2D.Float

Field Summary

Fields inherited from class java.awt.geom.Point2D.Double

x, y

Constructor Summary

ProjectionPointImpl()
Default constructor, initialized to 0,0

ProjectionPointImpl(double x, double y)
Constructor, initialized to x, y

ProjectionPointImpl(java.awt.geom.Point2D pt)
Constructor that copies Point2D values into this.

ProjectionPointImpl(ProjectionPoint pt)
Constructor that copies ProjectionPoint values into this.

Method Summary

boolean	equals(ProjectionPoint pt) Returns true if this represents the same point as pt.
boolean	isInfinite() See if either coordinate is +/- infinite.
static boolean	isInfinite(ProjectionPoint pt) See if either coordinate in pt is +/- infinite.
void	setLocation(java.awt.geom.Point2D pt) set x,y location from pt
void	setLocation(ProjectionPoint pt) set x,y location from pt
java.lang.String	toString() nicely format this point
void	toString(java.util.Formatter f)

Methods inherited from class java.awt.geom.Point2D.Double

getX, getY, setLocation

Methods inherited from class java.awt.geom.Point2D

clone, distance, distance, distance, distanceSq, distanceSq, distanceSq, equals, hashCode

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface ucar.unidata.geoloc.ProjectionPoint

getX, getY

Constructor Detail

ProjectionPointImpl

public ProjectionPointImpl()

Default constructor, initialized to 0,0

ProjectionPointImpl

public ProjectionPointImpl(java.awt.geom.Point2D pt)

Constructor that copies Point2D values into this.

Parameters:

pt - point to copy

ProjectionPointImpl

public ProjectionPointImpl(ProjectionPoint pt)

Constructor that copies ProjectionPoint values into this.

Parameters:

pt - point to copy

ProjectionPointImpl

public ProjectionPointImpl(double x,
                           double y)

Constructor, initialized to x, y

Parameters:

x - x coordinate

y - y coordinate

Method Detail

equals

public boolean equals(ProjectionPoint pt)

Returns true if this represents the same point as pt.

Specified by:

equals in interface ProjectionPoint

Parameters:

pt - point to check

Returns:

true if this represents the same point as pt.

toString

public java.lang.String toString()

nicely format this point

Overrides:

toString in class java.awt.geom.Point2D.Double

Returns:

nicely formatted point

toString

public void toString(java.util.Formatter f)

setLocation

public void setLocation(ProjectionPoint pt)

set x,y location from pt

Parameters:

pt - point to use for values

setLocation

public void setLocation(java.awt.geom.Point2D pt)

set x,y location from pt

Overrides:

setLocation in class java.awt.geom.Point2D

Parameters:

pt - point to use for values

isInfinite

public boolean isInfinite()

See if either coordinate is +/- infinite. This happens sometimes in projective geometry.

Returns:

true if either coordinate is +/- infinite.

isInfinite

public static boolean isInfinite(ProjectionPoint pt)

See if either coordinate in pt is +/- infinite. This happens sometimes in projective geometry.

Parameters:

pt - point to check

Returns:

true if either coordinate is +/- infinite.